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Mixing of chemical solutions in vitro, macro
Mixing Chemicals In A Science Flask, Experimental Water Purity Test
HD A researcher places a round flask. The flask begins to spin.
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Falling tomatoes in a glass bowl of water. Slow motion.
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Glass labware sits on a counter.

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964357

库存 视频 编号:964357

硝酸铅和碘化钠之间的化学反应。

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